Patent EP0488796A1 successfully refreshed from Google Patents.
EP0488796A1
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Image processing apparatus
Assignee: Canon Inc
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Filing: 1991-11-29
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Granted: —
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Expires: 2011-11-29
Abstract
Abstract An image processing apparatus of the present invention inputs image data representing an image, discriminates whether the image represented by the input image data is a first predetermined image, and discriminates whether the image represented by the input image data is a second predetermined image different from the first predetermined image, the above-mentioned two discrimination performing discriminating operation parallelly.
Inventors
- 👤 Masahiro Funada
- 👤 Ken-Ichi Ohta
- 👤 Yoichi Takaragi
- 👤 Eiji Ohta
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 07:43
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00838; H04N1/0084; H04N1/00843; G; G03; G03G; G03G21/00; G03G21/04; G03G21/046; H04N1/00848; H04N1/00856; H04N1/00864; H04N1/00872; H04N1/00875; Y; Y10; Y10S; Y10S283/00; Y10S283/902
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
71 words
An image processing apparatus comprising: input means for input the image data representing an image; first discriminating means for discriminating whether the image represented by the input image data is a first predetermined image; and second discriminating means for discriminating whether the image represented by the input image data is a second predetermined image different from the first predetermined image; wherein said first and second discriminating means perform discriminating operation parallelly.
Claim 2
Dependent Claim
21 words
An apparatus according to claim 1, wherein said input means comprises an image reader scanning an original and generating image data.
Claim 3
Dependent Claim
28 words
An apparatus according to claim 1, wherein said first and second discriminating means discriminate in accordance with color distribution of the image data input by said input means.
Claim 4
Dependent Claim
28 words
An apparatus according to claim 3, wherein said first or second discriminating means respectively includes memory means for storing color distribution of the first or second predetermined image.
Claim 5
Dependent Claim
17 words
An apparatus according to claim 1, wherein said first and second discriminating means discriminate by different weights.
Claim 6
Dependent Claim
64 words
A color image processing apparatus comprising: input means for inputting color image data representing a color image: detecting means for detecting an edge of the color image based on the input color image; and discriminating means for discriminating whether the color image is a predetermined color image in accordance with the detection of the edge and color distribution of the input color image data.
Claim 7
Dependent Claim
21 words
An apparatus according to claim 6, wherein said input means comprises an image reader scanning an original and generating image data.
Claim 8
Dependent Claim
46 words
An apparatus according to claim 6, wherein said discriminating means includes a first memory means for storing color distribution of a line-image portion of the predetermined color image and a second memory means for storing color distribution of a half-tone portion of the predetermined color image.
Claim 9
Dependent Claim
19 words
An apparatus according to claim 8, wherein said first and second memory means is a ROM or a RAM.
Claim 10
Dependent Claim
103 words
A color image processing apparatus comprising: output means for outputting data of a plurality of color components; image forming means for forming a color image in accordance with the data of said plurality of color components frame-sequentially; discriminating means for discriminating whether a color image represented by the data of said plurality of color components is a predetermined color image; and control means for controlling the image forming of said image forming means in accordance with the discrimination; wherein said discriminating means discriminates a different predetermined color image in synchronism with each image forming of frame-sequential color component by said image forming means.
Claim 11
Dependent Claim
28 words
An apparatus according to claim 10, further comprising input means for inputting color image data and said output means includes processing means for processing the color image data.
Claim 12
Dependent Claim
21 words
An apparatus according to claim 11, wherein said input means comprises an image reader scanning an original and generating image data.
Claim 13
Dependent Claim
46 words
An apparatus according to claim 10, wherein said discriminating means includes a first memory means for storing color distribution of a line-image portion of the predetermined color image and a second memory means for storing color distribution of a half-tone portion of the predetermined color image.
Claim 14
Dependent Claim
19 words
An apparatus according to claim 13, wherein said first and second memory means is a ROM or a RAM.
Claim 15
Dependent Claim
83 words
An image processing apparatus comprising: reading means for scanning an original a plurality of times and generating color image data in each scanning operation; discriminating means for discriminating whether the original is a predetermined image in accordance with color distribution of the color image data; and processing means for processing the color image data in accordance with the discrimination result of the discriminating means, wherein said discriminating means discriminates a different predetermined color image in synchronism with each scanning of said reading means.
Claim 16
Dependent Claim
46 words
An apparatus according to claim 15, wherein said discriminating means includes a first memory means for storing color distribution of a line-image portion of the predetermined color image and a second memory means for storing color distribution of a half-tone portion of the predetermined color image.
Claim 17
Dependent Claim
19 words
An apparatus according to claim 16, wherein said first and second memory means is a ROM or a RAM.
Claim 18
Dependent Claim
42 words
Image processing apparatus which determines whether input image data represents a predetermined image, characterised in that the apparatus carries out an operation for making said determination in parallel with an image processing operation to prepare the image data for recording or transmission.
Claim 19
Dependent Claim
40 words
Image processing apparatus which determines whether input image data represents any one of a plurality of predetermined images, characterised in that the apparatus performs an operation for making said determination with respect to more than one said image in parallel.
Claim 20
Dependent Claim
63 words
Image processing apparatus which processes input image data and which determines whether the input image data represents a predetermined image, characterised in that in said determination the apparatus determines a degree of similarity which may have more than two possible levels, and the processing of the image data is varied to vary the processed data in accordance with the determined degree of similarity.
Claim 21
Dependent Claim
45 words
Apparatus according to claim 20, in which a parameter of the processed data, such as correctness of reproduced colour or degree of sharpness of the image, is degraded in the processing of the image data to an extent according to the determined degree of similarity.
Claim 22
Dependent Claim
42 words
Image processing apparatus which determines whether input image data represents any one of a plurality of predetermined images, characterised in that different parts or aspects of the input image data are used in making said determination in respect of different predetermined images.
Claim 23
Dependent Claim
33 words
Apparatus according to claim 22, in which colour ata for different colours in the image represented by the input image data is used in making said determination in respect of different predetermined images.
Claim 24
Dependent Claim
39 words
Apparatus according to claim 22 or claim 23, in which a spatial criterion is used to separate image data into a plurality of portions, and different portions are used in making said determination in respect of different predetermined images.
Claim 25
Dependent Claim
38 words
Image processing apparatus which determines whether input image data represents a predetermined image, characterised in that the apparatus uses a spatial property of an area tentatively identified as containing the predetermined image in making a more definite determination.
Claim 26
Dependent Claim
17 words
Apparatus according to claim 25, in which the said spatial property comprises the size of the area.
Claim 27
Dependent Claim
62 words
Image processing apparatus which determines whether input image data represents a predetermined image, characterised in that different types of region are identified in the image represented by the input image data and a determination operation is carried out in respect of a plurality of said types of region, the final determination being performed taking into account the results of said determination operations.
Claim 28
Dependent Claim
36 words
Image processing apparatus which determines whether input image data represents a predetermined image, characterised in that a characteristic of the colour of the image represented by the input image data is used in making said determination.
Claim 29
Dependent Claim
27 words
Apparatus according to claim 28, in which the position of the image represented by the input image data in colour space is used in making said determination.
References Cited (Backward Citations)
EP0295876A2
Cited
EP0342060A2
Cited
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